Dewell is both a given name and surname of English origin. Notable people with the name include: Surname Billy Dewell (1917–2000), American football player Elizabeth Dewell (fl. 1641–1660), birth name of Elizabeth Lilburne, English Leveller James D. Dewell (1837–1906), American politician
Given name Dewell Brewer (born 1970), American football player Dewell Gann Sr., namesake of the Gann House, Gann Building, and Gann Row Historic District in Benton, Arkansas
In fiction Cassie Dewell, featured in several novels by author C. J. Box